RRB NTPC CBT-1 previous year question
Refer to the given number series and answer the question that follows. All numbers are single-digit numbers only. Counting to be done from left to right only. (Left) 4 9 6 5 9 9 7 7 9 7 9 3 6 2 1 2 1 6 9 1 7 4 7 (Right) How many such even digits are there, each of which is immediately preceded by an even digit and also immediately followed by an odd digit?
Asked in RRB NTPC 2026 — 16 June Shift 1 · Reasoning
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Correct answer: (B) One
Checking each digit for an even digit preceded by an even digit and followed by an odd digit in the series gives exactly one such case (the '6' after '2,1,2' pattern near position 18). So the count is One.
हिंदी में प्रश्न
सात व्यक्ति, ७, T, ६, ५, 3, और , उत्तर की ओर अभिमुख होकर एक पंक्ति में बैठे हैं।..._ । और के बीच केवल पांच व्यक्ति बैठे हैं। 5, के ठीक बाएं पड़ोस में AST है। SIN के बीच केवल एक व्यक्ति बैठा है। ७, EH AWC से किसी स्थान पर AST है, लेकिन TH दाए से किसी स्थान पर बेठा है। Ulead के बाए छोर से तीसरे स्थान पर कौन बैठा है?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (B) T
श्रृंखला में प्रत्येक अंक की जांच करने पर जो सम अंक से पहले और विषम अंक से बाद में हो, केवल एक ऐसा मामला मिलता है। अतः उत्तर 'एक' है।
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